1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.util.comparator;
24  
25  import com.liferay.portal.kernel.util.OrderByComparator;
26  import com.liferay.portal.model.Layout;
27  
28  /**
29   * <a href="LayoutPriorityComparator.java.html"><b><i>View Source</i></b></a>
30   *
31   * @author Brian Wing Shun Chan
32   */
33  public class LayoutPriorityComparator extends OrderByComparator {
34  
35      public static String ORDER_BY_ASC = "priority ASC";
36  
37      public static String[] ORDER_BY_FIELDS = {"priority"};
38  
39      public LayoutPriorityComparator(Layout layout, boolean lessThan) {
40          _layout = layout;
41          _lessThan = lessThan;
42      }
43  
44      public int compare(Object obj1, Object obj2) {
45          Layout layout1 = (Layout)obj1;
46          Layout layout2 = (Layout)obj2;
47  
48          int priority1 = layout1.getPriority();
49          int priority2 = layout2.getPriority();
50  
51          if (priority1 > priority2) {
52              return 1;
53          }
54          else if (priority1 < priority2) {
55              return -1;
56          }
57          else {
58              if (_layout.equals(layout1)) {
59                  if (_lessThan) {
60                      return 1;
61                  }
62                  else {
63                      return -1;
64                  }
65              }
66              else if (_layout.equals(layout2)) {
67                  if (_lessThan) {
68                      return -1;
69                  }
70                  else {
71                      return 1;
72                  }
73              }
74  
75              return 0;
76          }
77      }
78  
79      public String getOrderBy() {
80          return ORDER_BY_ASC;
81      }
82  
83      public String[] getOrderByFields() {
84          return ORDER_BY_FIELDS;
85      }
86  
87      public boolean isAscending() {
88          return true;
89      }
90  
91      private Layout _layout;
92      private boolean _lessThan;
93  
94  }